Alcea rosea - L.
Hollyhock
Synonym(s): Althaea rosea (L.) Cav.
Taxonomic Status: Accepted
Related ITIS Name(s): Alcea rosea L. (TSN 21774)
Unique Identifier: ELEMENT_GLOBAL.2.151665
Element Code: PDMAL03010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mallow Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Malvales Malvaceae Alcea
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Alcea rosea
Taxonomic Comments: Origin of this widely cultivated ornamental is unclear, but assumed Eurasian. Sometimes classified in the genus Althaea as Althaea rosea.
Conservation Status
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NatureServe Status

Global Status: GU
Global Status Last Reviewed: 21Oct1994
Global Status Last Changed: 21Oct1994
Rounded Global Status: GU - Unrankable
Nation: United States
National Status: NNA
Nation: Canada
National Status: NNA (28Sep2016)

U.S. & Canada State/Province Status
United States California (SNA), Colorado (SNA), Connecticut (SNA), Delaware (SNA), Florida (SNA), Georgia (SNA), Idaho (SNA), Illinois (SNA), Indiana (SNA), Iowa (SNA), Kansas (SNA), Kentucky (SNA), Maryland (SNA), Massachusetts (SNR), Michigan (SNA), Mississippi (SNA), Missouri (SNA), Montana (SNA), Nebraska (SNA), Nevada (SNA), New Jersey (SNA), New Mexico (SNA), New York (SNA), North Carolina (SNA), North Dakota (SNA), Ohio (SNA), Oregon (SNA), Pennsylvania (SNA), Rhode Island (SNA), South Dakota (SNA), Tennessee (SNA), Texas (SNA), Utah (SNA), Vermont (SNA), Virginia (SNA), Washington (SNA), West Virginia (SNA), Wisconsin (SNA), Wyoming (SNA)
Canada British Columbia (SNA), Manitoba (SNA), New Brunswick (SNA), Ontario (SNA), Quebec (SNA)

Other Statuses

NatureServe Global Conservation Status Factors

Other NatureServe Conservation Status Information

Distribution
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U.S. States and Canadian Provinces
Color legend for Distribution Map
NOTE: The distribution shown may be incomplete, particularly for some rapidly spreading exotic species.

U.S. & Canada State/Province Distribution
United States CAexotic, COexotic, CTexotic, DEexotic, FLexotic, GAexotic, IAexotic, IDexotic, ILexotic, INexotic, KSexotic, KYexotic, MA, MDexotic, MIexotic, MOexotic, MSexotic, MTexotic, NCexotic, NDexotic, NEexotic, NJexotic, NMexotic, NVexotic, NYexotic, OHexotic, ORexotic, PAexotic, RIexotic, SDexotic, TNexotic, TXexotic, UTexotic, VAexotic, VTexotic, WAexotic, WIexotic, WVexotic, WYexotic
Canada BCexotic, MBexotic, NBexotic, ONexotic, QCexotic

Range Map
No map available.

Ecology & Life History Not yet assessed
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Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank)
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Disclaimer: While I-Rank information is available over NatureServe Explorer, NatureServe is not actively developing or maintaining these data. Species with I-RANKs do not represent a random sample of species exotic in the United States; available assessments may be biased toward those species with higher-than-average impact.

I-Rank: Unknown
Rounded I-Rank: Unknown
I-Rank Reasons Summary: This species is widespread, but it is unclear if it has actually invaded natural areas. Very limited data beyond its usefulness as a garden flower.
Subrank I - Ecological Impact: Unknown
Subrank II - Current Distribution/Abundance: High/Medium
Subrank III - Trend in Distribution/Abundance: Unknown
Subrank IV - Management Difficulty: Unknown
I-Rank Review Date: 19Feb2004
Evaluator: Fellows, M.
Native anywhere in the U.S?
Native Range: unknown, perhaps from the Balkans (Voss 1985)

Download "An Invasive Species Assessment Protocol: Evaluating Non-Native Plants for their Impact on Biodiversity". (PDF, 1.03MB)
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Screening Questions

S-1. Established outside cultivation as a non-native? YES
Comments: (Kartesz 1999)

S-2. Present in conservation areas or other native species habitat? Unknown
Comments: most references, like Voss (1985) list this as occurring waste places, vacant lots, etc - not areas of conservation significance.

Subrank I - Ecological Impact: Unknown

Subrank II. Current Distribution and Abundance: High/Medium

6. Current Range Size in Nation:High significance
Comments: In most states, notable exceptions include AZ, northern New England & some southeastern states, HI and AK (Kartesz 1999)

7. Proportion of Current Range Where the Species is Negatively Impacting Biodiversity:Not ranked

8. Proportion of Nation's Biogeographic Units Invaded:High significance
Comments: Potentially occurs in all but 2 of 63 Ecoregions. (inferred from Kartesz 1999 and TNC 2001)

9. Diversity of Habitats or Ecological Systems Invaded in Nation:High/Low significance
Comments: a variety of disturbed places (Voss 1985)

Subrank III. Trend in Distribution and Abundance: Unknown

10. Current Trend in Total Range within Nation:Unknown

11. Proportion of Potential Range Currently Occupied:Unknown

12. Long-distance Dispersal Potential within Nation:High significance
Comments: Easily available for sale on Internet (Fellows keyword search 'Alcea rosea', 16-JAN-04)

13. Local Range Expansion or Change in Abundance:Unknown

14. Inherent Ability to Invade Conservation Areas and Other Native Species Habitats:Low significance/Insignificant
Comments: a variety of disturbed places (Voss 1985)

15. Similar Habitats Invaded Elsewhere:Unknown

16. Reproductive Characteristics:Unknown

Subrank IV. General Management Difficulty: Unknown
Authors/Contributors
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Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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  • D'Arcy, W.G. 1987. Flora of Panama: Checklist and Index. Part I: The Introduction and Checklist. Missouri Botanical Garden. Saint Louis, Missouri.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.

  • The Nature Conservancy. 2001. Map: TNC Ecoregions of the United States. Modification of Bailey Ecoregions. Online . Accessed May 2003.

  • Voss, E.G. 1985. Michigan flora. Part II. Dicotyledons. Cranbrook Institute of Science and University of Michigan Herbarium. Ann Arbor, Michigan. 1212 pp.

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